During January 2026, this developer delivered a core cross-chain bridging feature for the ava-labs/core-extension repository, enabling seamless transfers between Bitcoin and BTCB. The work involved building a user interface in React and TypeScript that displays real-time bridging times and error states, directly addressing user experience challenges and reducing support overhead. Integration with existing cross-chain modules was handled using Node and full stack development practices, ensuring compatibility and maintainability. The feature was prepared for quality assurance and staging with clean, collaborative commits, reflecting a focus on code quality and teamwork. No bug fixes were recorded during this period.